320328033 has 4 divisors (see below), whose sum is σ = 427104048. Its totient is φ = 213552020.

The previous prime is 320328017. The next prime is 320328037. The reversal of 320328033 is 330823023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320328033 - 2⁴ = 320328017 is a prime.

It is a super-2 number, since 2×320328033² = 205220097451298178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320327994 and 320328012.

It is not an unprimeable number, because it can be changed into a prime (320328037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53388003 + ... + 53388008.

It is an arithmetic number, because the mean of its divisors is an integer number (106776012).

Almost surely, 2^320328033 is an apocalyptic number.

It is an amenable number.

320328033 is a deficient number, since it is larger than the sum of its proper divisors (106776015).

320328033 is a wasteful number, since it uses less digits than its factorization.

320328033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106776014.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 320328033 is about 17897.7102725460. The cubic root of 320328033 is about 684.2240190786.

The spelling of 320328033 in words is "three hundred twenty million, three hundred twenty-eight thousand, thirty-three".